88 results about "Odor control" patented technology

The invention discloses a multi-region aerosol disinfection and odor removal control method and system based on the Internet of Things, and the method comprises the steps: deploying a sensor network in multiple regions, synchronously collecting and carrying out the time-space correlation processing of multi-modal data including chemical, acoustic, thermal imaging and air flow field data; adopting a probabilistic reasoning model to estimate the probability that each area becomes a pollution source in real time, and generating a pollution source probability distribution map; on the basis of the distribution diagram and the air flow field data, the diffusion trend of pollutants is predicted through a diffusion prediction model, and a composite control strategy for treating a pollution source and intervening a pollutant diffusion path is generated; acquiring actual environment data fed back by the sensing network, comparing the actual environment data with a deviation generated by a prediction result, and performing parameter adjustment on the probabilistic reasoning model or the diffusion prediction model according to the deviation; according to the invention, the problems of response lag, no traceability and lack of predictive intervention capability in the prior art are solved, and adaptive control of pollution events is realized.

The present technology relates to fluff pulp having improved odor control and methods of making such fluff pulp. A fluff pulp is provided that includes bleached kraft fibers and a copper ion content of from about 0.2 ppm to about 50 ppm by weight of the bleached kraft fibers. The bleached kraft fibers include a length-weighted average fiber length of at least about 2 mm, a copper number of less than about 7, a carboxyl content of greater than about 3.5 meq / 100 grams; an ISO brightness of at least 80; and a viscosity of from about 2 cps to about 9 cps.

To provide a diffuser, a smell control system, an information processor and a program which can diffuse a substance such as appropriate perfume into a space according to smell of the space.SOLUTION: There is provided a diffuser for diffusing a substance according to one aspect of the present invention. The diffuser includes a detection part, an information holding part, a comparison part, and a diffusion part. The detection part is configured to be able to detect smell in the air by a smell sensor including at least a crystal oscillator sensor. The information holding part holds at least one set of feature information indicating a feature of target smell and substance information indicating a substance corresponding to the smell. The comparison part is configured to be able to compare a detection result by the detection part and the feature information. The diffusion part is configured to be able to diffuse the substance indicated by the substance information corresponding to the feature information when the detection result coincides with the feature information.SELECTED DRAWING: Figure 3

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

Bag, in particular garbage bag, comprising a bag body (2) made of a film of plastic and / or paper and a carrier (18) in the form of a planar structure (19) with a large surface area (21) with an odor-controlling substance (22) on the surface (21), wherein the bag body (2) comprises two side walls (3, 4) which define an opening (16) with their upper edge, are connected to each other at their lateral edges by lateral weld seams (7, 8) and at their lower edge by a bottom or other closure (17) and the carrier (18) is arranged in and attached to the bag body, characterized in that the carrier (18) is arranged in a strip shape and in the upper half of the bag body (2).

This invention relates to the field of air purification technology, specifically disclosing an odor control device based on the Internet of Things (IoT). The device includes a first filter box with an air inlet groove on its surface and an air outlet groove at its bottom. A second filter box is disposed on the inner wall of the first filter box, containing a filter chamber assembly filled with activated carbon particles. A motor is mounted on the side wall of the second filter box, and a rotating rod is fixedly connected to the motor's output end. The rotating rod passes through the second filter box and is rotatably connected to it. A stirring assembly is fixedly connected to the outer wall of the rotating rod. In use, the motor is started to drive the rotating rod to rotate, which in turn drives the stirring assembly to rotate. The rotation of the stirring assembly causes the activated carbon particles in the filter chamber assembly to move, thereby increasing the contact area between the ambient gas and the activated carbon particles, thus improving filtration efficiency and reducing filtration costs.

The invention discloses a refrigerator smell control method and device, a refrigerator and a storage medium. An essential oil slow-release device comprising a plurality of cavities is arranged in a refrigerator chamber, and essential oil with different functions is placed in different cavities. After the smell control function is started, essential oil in the multiple cavities is controlled to be released so as to operate a normal antibacterial mode; detecting the opening and closing state of a compartment door and the concentration of VOCs in the compartment; if it is detected that the chamber doors are opened, essential oil in the multiple chambers is controlled to be released so as to operate a rapid refreshing mode; if the VOCs concentration reaches a preset condition, essential oil release of the multiple cavities is controlled so as to operate an emergency purification mode; the chambers for releasing the essential oil are different in different modes. The essential oil with different functions can be released independently or in a combined manner, multiple modes are realized, and different requirements are met; a normal antibacterial mode is defaulted to run, and peculiar smell is slowed down; the environment change in the refrigerator is intelligently sensed, the smell control strategy is automatically adjusted according to the environment change, and the response speed and control precision of smell control are improved.

The application discloses a refrigerator and a method for controlling odor purification, and the method comprises the following steps: receiving current humidity monitoring data sent by a humidity sensor; determining whether the available volume in the storage compartment changes according to the current humidity monitoring data; if the available volume changes, determining the current available volume according to the current humidity monitoring data; determining the target parameter value of the target operating parameter of the odor purification device according to the current available volume, wherein the target parameter value of the target operating parameter is positively correlated with the current available volume; controlling the odor purification device to operate according to the target parameter value of the target operating parameter, so that the total working time of the odor purification device is positively correlated with the current available volume. According to the embodiment of the application, the parameter value of the target operating parameter of the odor purification device can be dynamically adjusted according to different available volumes in the refrigerator refrigerating chamber, so that the odor purification effect is improved, and the risk of ozone concentration exceeding the standard due to the change of the available volume is effectively avoided.

This application generally relates to absorbent articles comprising aqueous-based odor control compositions and non-complexed perfume compositions, applied in patterns which do not substantially overlap, and methods of making the same.

A piston-flush toilet comprising a toilet bowl, a waste passage system, a piston mechanism and a water reservoir. The improved waste passage closes the piston mechanism which pushes waste to the outlet with only one liter of water per flush. The water reservoir automatically refills the bowl after each use and is configured to maintain a water seal even if the main valve fails, ensuring odor control and efficient waste removal.

A water recycle system may be implemented to analyze and selectively recycle wastewater generated by an industrial textile washer. In some examples, wastewater generated by the industrial textile washer undergoes various treatment processes to generate a clarified wastewater that is stored before being recycled for reuse in the textile washer. Microbial contamination can grow in this stored water over time and the water can become odorous, which is undesirable when subsequently reusing the water to wash textiles. Systems and techniques can be implemented to treat the clarified water to control odor and / or microbial contamination, improving the effectiveness and quality of the water recycle system.

The application discloses a kind of green and efficient pig breeding method and system, belong to the technical field of animal husbandry breeding.The method of the application includes four steps of preparation, management in the period of nursing and fattening, processing in the period of leaving and cleaning, resource recycling and facility maintenance.By spraying photocatalysis-microorganism composite functional coating on the surface of pig house, combined with AI visual dynamic precise feeding, source reduction is realized;By using bionic electronic nose and ventilation, deodorization system linkage, process intelligent control is realized;By using electrochemical circulating water washing, waste heat coupling biological filter or shared deodorization container, end efficient purification and small and medium field adaptation are realized;Finally, wastewater and waste material are recycled.The application solves the problems of unstable effect, high energy consumption, low intelligent degree, poor adaptability of small and medium field of existing odor control technology, and has the advantages of source reduction precision, process control in situ, end treatment closed loop, operation intelligence and easy popularization of small and medium field.

This utility model discloses an assembly structure and an odor control system, belonging to the technical field of electronic equipment. It includes a first housing, a second housing, and at least one decorative panel. The first housing is mounted on the second housing, and at least a first decorative surface is formed on the outer surfaces of both housings. A mounting cavity is formed between the first and second housings. The first or second housing has mounting holes located on the first decorative surface. On the first decorative surface, the first housing has a first guide rail, and the second housing has a second guide rail. The two sides of the decorative panel slide against the first and second guide rails respectively, covering the first decorative surface. The decorative panel conceals the mounting holes on the first decorative surface, preventing them from being exposed and improving the appearance of the assembly structure. Installation is convenient through sliding contact with the guide rails, improving the stability of the decorative panel.

The utility model relates to the technical field of garbage treatment, and discloses an odor treatment device for garbage leachate treatment, which comprises a filtrate box, a connecting shaft is rotatably arranged in the middle of the interior of the filtrate box, a stirring roller is fixedly connected to the outer wall of the connecting shaft, and a motor is fixedly arranged in the middle of one side of the filtrate box. A first air pump is fixedly arranged on one side of the upper end of the filtrate box, the input end of the first air pump is fixedly connected with a first air suction pipe, the end, away from the first air pump, of the first air pump is fixedly connected with one side, located in the filtrate box, of an air collecting hood, and a first treatment box, a second treatment box and a third treatment box are sequentially and fixedly arranged at the upper end of the filtrate box. According to the device, the emission speed of odor in the leachate can be increased, the odor can be automatically sucked out and treated, the odor treatment efficiency is further increased, the odor can be treated for three times, the situation that the environment is polluted due to the fact that the odor which is not completely treated is exhausted is prevented, and the deodorization effect is further improved.

This disclosure relates to compositions and methods for controlling personal care odors. More specifically, this disclosure relates to compositions comprising a ferment extract of Brevibacillus laterosporus or a fraction thereof for controlling body odor and methods for using the same. Compositions containing a ferment extract of Brevibacillus laterosporus are suitable for use as underarm / axillary deodorants and for odor control in personal care applications.

The application discloses a kind of stench detection automatic exhaust device and multi-modal intelligent ventilation control method, including the sensing module and ventilation execution host of wireless connection;There is no electrical connection between sensing module and ventilation execution host;Sensing module includes built-in gas sensor, sensing end microprocessor, sensing end wireless communication module and power supply, for collecting environmental gas concentration data and sending;Ventilation execution host includes fan module, main control unit and mains input interface;Main control unit includes main controller, communication module and motor drive circuit;Communication module is used to receive the data sent by sensing module;Main controller is used to run artificial intelligence recognition algorithm, assess odor type and intensity, and generate control instructions according to the evaluation results;Motor drive circuit drives fan module to run according to control instructions.The present application solves the problem of low response lag and energy efficiency in odor control through wireless gas sensing and multi-mode switchable ventilation control.

The utility model discloses a peculiar smell control device of a laboratory wastewater system, and relates to the technical field of laboratory wastewater treatment. The peculiar smell control device of the laboratory wastewater system comprises a treatment box, an acid liquid storage cylinder and an alkaline liquid storage cylinder, a water inlet pipe is fixedly connected to the top of the treatment box, a supporting ring is fixedly connected to the inner surface of the treatment box, a supporting plate is arranged in a groove in the supporting ring, and balls are arranged on the inner surface of the groove of the supporting ring; a supporting frame is fixedly connected to the inner surface of the supporting plate, a water distribution plate is fixedly connected to the top of the supporting frame, a water pump, a pH meter and a water outlet pipe are arranged on the outer surface of the treatment box, a detection head is arranged on the outer surface of the pH meter, and the outer surfaces of the water outlet pipe and the detection head penetrate through the treatment box and extend into the inner cavity; according to the utility model, the peculiar smell in the wastewater can be fully treated, and the influence of excessive peculiar smell on human health is prevented.

The invention mainly relates to a low-odor and low-volatile organic compound (VOC) glass fiber reinforced polypropylene modified material and a preparation method thereof. The method mainly comprises the following steps: synthesizing a novel MOF-PEG adsorbent which takes UiO-66-NH2 as a matrix and is grafted with poly (ethylene glycol) methacrylate (PEGMA), and preparing the glass fiber reinforced polypropylene composite material with excellent odor control capability and mechanical property by a physical blending method. The material is prepared from polypropylene, glass fibers, an interface compatilizer, an MOF-PEG adsorbent, an antioxidant, a lubricant and other auxiliaries. Through the physical adsorption and chemical coordination effects of the MOF-PEG adsorbent, volatile small-molecular organic matters generated in the processing and using processes of polypropylene are effectively captured, meanwhile, the compatibility between the MOF-based adsorbent and a high-molecular polymer matrix is improved through PEG grafting, and the microphase separation behavior of the MOF-based adsorbent is reduced.

This invention provides a multi-level odor control system for sludge, capable of distinguishing and treating high-, medium-, and low-concentration odors. The exhaust pipes of the incinerator buffer chamber and the sludge conveyor belt converge and are connected to a high-concentration first pipe section via a fan. The exhaust pipe in the sludge drying equipment converges with the high-concentration first pipe section and is connected to a high-concentration second pipe section. The high-concentration second pipe section is divided into two paths: one connecting to the medium-high concentration first pipe section, and the other connecting to the boiler air duct. The medium-high concentration first pipe section is divided into two paths: one connecting to the medium-high concentration second pipe section, and the other connecting to the exhaust pipe in the wet sludge tank. The medium-high concentration second pipe section is divided into two paths: one connecting to a strong deodorization device, and the other connecting to a medium-low concentration pipe section. The exhaust pipes of the sludge dryer and the sludge unloading area converge and are connected to a low-concentration pipe section. This low-concentration pipe section is divided into two paths: one connecting to the medium-low concentration pipe section, and the other connecting to a weak deodorization device.

This utility model discloses an installation structure and odor control system, belonging to the technical field of electronic equipment. It includes a shell, an inner shell, and a support frame. The support frame includes a support plate and two sets of limiting members. The support plate is installed inside the shell, and both sets of limiting members are installed on the support plate and located near the outer edge of the support plate. The inner shell is installed on the support plate and located near the middle of the support plate, situated inside the shell. The first and second ends of the inner shell are located at the upper and lower ends of the support plate, respectively. A first receiving groove is formed between the two sets of limiting members at the first end of the inner shell. An opening is provided at the second end of the inner shell, forming a second receiving groove inside the inner shell, which communicates with the opening. The assembly process involves fixing the support plate inside the shell, placing the air pump and atomizer into the first and second receiving grooves, and then sealing the upper and lower ends of the shell. Only two steps are required in actual assembly, eliminating the need for screws to fix the air pump, thus greatly improving assembly efficiency.

The invention relates to the technical field of high polymer material modification and odor control, and discloses a diatomite odor absorption functional master batch as well as a preparation method and application thereof, and the master batch comprises the following components in parts by weight: 20-60 parts of calcined diatomite powder, 1-15 parts of a chemical absorption aid, 30-75 parts of carrier resin and 0.5-3 parts of a dispersion lubricating aid. According to the invention, calcined diatomite with a natural porous structure is used as a physical adsorption base material, and chemical absorption aids (such as guanidine carbonate, zinc diricinoleate and the like) with a non-porous structure are introduced, so that the adsorption effect is enhanced through a dual-action mechanism of combining physical adsorption and chemical locking; the efficient, broad-spectrum and irreversible removal of various volatile organic compounds such as aldehydes, amines and acids in the automobile interior plastic is realized. The master batch provided by the invention can effectively avoid the secondary release problem of a traditional physical adsorbent at high temperature, has good compatibility with a plastic matrix, does not influence the mechanical properties of the material, is low in cost, environment-friendly and efficient, and is especially suitable for automobile interior plastic products with strict requirements on odor.

The present disclosure relates to a topical aerosol deodorant composition that contains water, an organic solvent, an alpha-hydroxycarboxylic acid, one or more skin conditioning agents, optionally one or more hydrocarbon carrier agents, optionally caffeine or a xanthine derivative that has vasoconstrictive effects and a propellant. The topical aerosol deodorant composition may be sprayed onto a human's external skin in need or odor control such as the user's axilla, pudendum, feet, chest, abdomen, thigh, groin, pelvis and buttock without irritation.

This invention discloses a monitoring system and method for the synergistic treatment of odor and dust from landfill excavation, relating to the field of dust separation. The invention collects real-time pipeline gas composition data and automatically adapts the optimal operating parameters of a scrubbing tower via model mapping, reducing the core odor load at the source. Then, targeted dust removal operations eliminate the interference of dust on deodorization, while simultaneously collecting fog cannon operating parameters, meteorological data, and initial odor concentration. The mapping model accurately predicts the deodorization effect and the adhesion of the isolation layer's reagents. Based on a preset threshold, a hierarchical iterative optimization mechanism is constructed. First, the fog cannon parameters are adjusted to achieve rapid compliance. If the maximum number of repetitions is still insufficient, the scrubbing tower operating parameters are optimized in reverse, forming a cross-equipment collaborative closed-loop adjustment. This ensures stable compliance with odor control standards while strictly controlling the amount of reagents adhering to protect the isolation layer and prevent membrane aging and erosion, while also reducing manual intervention and energy waste.

A surface cleaning device may include a nozzle, a dust cup. a suction motor configured to draw air into the nozzle and through the dust cup, and a first deodorizer coupled to the nozzle, the first deodorizer includes a deodorizing composition having a long chain fatty acid.

Superabsorbents comprising activated carbon having a trimodal pore radius distribution exhibit superior odor control.

The application discloses an air conditioner evaporator peculiar smell control method, device, system and air conditioner, and belongs to the peculiar smell control field of the air conditioner. When the air conditioner is running, if it is detected that the compressor is stopped, the frequency before the compressor is stopped is acquired, and then it is judged whether the reason for the stop of the compressor is that the frequency before the stop reaches the current compressor set lower limit frequency; if yes, the target compressor set lower limit frequency is calculated, and if the target compressor set lower limit frequency is greater than or equal to the preset lowest compressor lower limit frequency, the value of the current compressor set lower limit frequency is updated to the value of the target set lower limit frequency, and the compressor is controlled to run after an interval of a preset time length, so that the compressor can be controlled not to stop, the temperature of the evaporator is ensured to be low, peculiar smell volatilization is not caused, users cannot feel peculiar smell, and the experience of the users is greatly improved.

The application discloses an odor control system and method for a toilet, belonging to the technical field of sanitary wares. The system comprises three core modules: a negative pressure capture unit, a gas transmission path, and a negative pressure generating device. The gas transmission path adopts a dual-path compatible architecture: one is an isolation section bypassing the water seal (integrated in the double-channel flange plate), and the other is a hydrophobic capillary tube (inner diameter 0.5-2.0 mm, preferably 0.8-1.5 mm, contact angle ≥110°) passing through the water seal. The negative pressure generating device supports three types of brushless DC centrifugal fans, piezoelectric micropumps, or Venturi ejectors, with the maximum working negative pressure strictly limited to ≤50 Pa, which is much lower than the national standard water seal static breaking threshold of 490 Pa, forming a safety redundancy coefficient of ≥9.8 times. The method includes source negative pressure capture, dual-path safe discharge, quantitative negative pressure driving, and intelligent control (pre-pumping for sitting, delayed shutdown, VOC speed regulation, water seal self-checking, and capillary tube backflush self-cleaning). The application realizes zero leakage of odor sources, zero disturbance of water seals, low noise, low cost, and full-scene compatibility, with an incremental cost of a new toilet of ≤40 yuan and a cost of a stock retrofit kit of ≤65 yuan, which has great industrialization promotion value.

The invention discloses a building ventilation device, which relates to the technical field of building ventilation and comprises a shell and a drawable mounting frame. Modularized design is adopted in the mounting frame, functional units of an air supply assembly, a dust prevention module, a dehumidification module and a smell control module are integrated, all the modules are mounted through standard clamping groove structures, the types, the number and the mounting sequence of the modules can be freely adjusted according to ventilation requirements, and flexible air duct configuration such as double air inlet and double air exhaust is achieved. The gear transmission mechanism is driven by rotating the knob to drive the transmission plate to ascend and descend, the opening degree of the shutters is controlled through the connecting rope, and stepless air volume adjustment is achieved. And the device adopts a spring limiting structure to realize quick locking and pulling replacement of the mounting rack, so that the maintenance convenience is remarkably improved. The ventilation device solves the problems that a traditional ventilation device is fixed in function and poor in adaptability and has the advantages of being flexible in configuration, easy and convenient to operate, efficient in maintenance and the like.

This utility model discloses an odor control device with injectable deodorizing agent, belonging to the field of odor purification technology. It includes a purification chamber with two conveying channels connected by a mixing channel. The purification chamber has an inlet pipe and an outlet pipe connected to the conveying channels. A connecting plate with a processing chamber connected to the mixing channel is also provided. An installation slot with several storage tanks is fixedly installed inside the slot. A flow guide structure connecting the storage tanks to the processing chamber is also provided. This utility model, through its injectable method, allows for timely replenishment of deodorizing agent to the processing chamber, preventing a decrease in odor treatment effectiveness due to insufficient deodorizing agent and ensuring the device maintains good odor purification capabilities at all times.

A durable absorbent pant may include an absorbent gusset disposed in at least a crotch portion, the absorbent gusset comprising at least one layer of absorbent fabric and a fluid barrier layer disposed beneath the at least one layer of absorbent fabric; the absorbent fabric having a forwardmost end edge in the front portion, a rearwardmost end edge in a rear portion, and a pair of opposing side edges proximate the respective leg opening edges; a peripheral region; and an odor-adsorbent structure disposed at least partially in a peripheral region, the odor-adsorbent structure comprising an adsorbent layer comprising an adsorbent material selected from the group consisting of zeolites, functionalized silicas metal-organic frameworks, activated carbon, and combinations thereof.